Joint Hybrid Transmission and Adaptive Routing for Lifetime Extension of WSNs | Zendy

Chih-Min Yu | Zendy; Meng-Lin Ku | Zendy

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Joint Hybrid Transmission and Adaptive Routing for Lifetime Extension of WSNs

Author(s) -

Chih-Min Yu,

Meng-Lin Ku

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2827082

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

In this paper, two hybrid multi-hop/single-hop opportunistic transmission strategies with adaptive routing are investigated for prolonging the network lifetime of wireless sensor networks (WSNs). To achieve this goal, a systematic decision model that contains a network distribution block, a routing algorithm block, a traffic pattern block, and an optimal policy block is presented to determine the optimal transmission probability of each node. With packet transmission via adaptive shortest paths, two optimization strategies are proposed in the optimal policy block: a power efficiency optimization strategy and a power utilization optimization strategy. The power efficiency strategy aims to minimize the overall power consumption and the power utilization strategy endeavors to minimize the maximum power consumption among nodes. Computer simulations show that the power utilization strategy can achieve almost triple the network lifetime extension compared with the power efficiency strategy. Furthermore, the power utilization strategy is superior to the power efficiency strategy in terms of residual energy utilization for various network sizes.

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